naruse	2015-10-30 14:30:21 +0900 (Fri, 30 Oct 2015)

  New Revision: 52385

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=52385

  Log:
    Old linux's default hard rlimit_nofile is 1024

  Modified files:
    trunk/test/ruby/test_io.rb
Index: test/ruby/test_io.rb
===================================================================
--- test/ruby/test_io.rb	(revision 52384)
+++ test/ruby/test_io.rb	(revision 52385)
@@ -3067,13 +3067,20 @@ End https://github.com/ruby/ruby/blob/trunk/test/ruby/test_io.rb#L3067
       # Unfortunately, ruby doesn't export FD_SETSIZE. then we assume it's 1024.
       fd_setsize = 1024
 
+      # try to raise RLIM_NOFILE to >FD_SETSIZE
+      begin
+        Process.setrlimit(Process::RLIMIT_NOFILE, fd_setsize+10)
+      rescue Errno::EPERM
+        exit 0
+      end
+
       tempfiles = []
       (0..fd_setsize+1).map {|i|
         tempfiles << Tempfile.open("test_io_select_with_many_files")
       }
 
       IO.select(tempfiles)
-    }, bug8080, timeout: 30, rlimit_nofile: 1024+10
+    }, bug8080, timeout: 30
   end if defined?(Process::RLIMIT_NOFILE)
 
   def test_read_32bit_boundary

--
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